<template>
  <div>
    <!-- 面包线导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区 -->
      <el-table
        :data="goodslist"
        border
        stripe
      >
        <!--  -->
        <el-table-column
          type="index"
          label='#'
        ></el-table-column>
        <el-table-column
          label='商品名称'
          prop="goods_name"
        ></el-table-column>
        <el-table-column
          label='商品价格（元）'
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label='商品重量'
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column
          label='创建时间'
          prop="add_time"
          width="140px"
        >
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column
          label='操作'
          width="130px"
        >
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    data(){
        return{
            // 查询参数对象
        queryInfo:{
            query:'',
            pagenum:1,
            pagesize:10,
        },
        // 商品列表
        goodslist:[],
        // 总数据条数
        total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res}=await this.$http.get('goods',{params:this.queryInfo})

            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败！')
            }

            this.$message.success('获取商品列表成功！')
            console.log(res.data)
            this.goodslist=res.data.goods
            this.total=res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)

        if(confirmResult!=='confirm'){
            return this.$message.info('已经取消删除！')
        }

        const {data:res}=await this.$http.delete(`goods/${id}`)

        if(res.meta.status!==200){
            return this.$message.error('删除失败！')
        }

        this.$message.success('删除成功！')
        this.getGoodsList()
        },
        // 点击跳转到商品添加页面
        goAddpage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>
</style>